CVE-2026-14890

⛔ critical

Summary

SGLang uses an expert-parallel backup subsystem that exposes a ZeroMQ PULL socket on a routable network interface that does not contain authentication or deserialization safeguards, allowing an attacker to provide a malicious pickle file that results in unauthenticated remote code execution when the feature is enabled and the service is reachable over the network.

CVSS Score

9.1

Critical

EPSS Score

0.9

Exploit Probability

Published Date

2026-07-16

First Seen: 2026-07-17

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 87.6% of all 360,673 vulnerabilities in our database.

#44,742

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jul 16, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-08-10

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE IDs (Weakness Types)

CWE-502

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
lmsys	sglang	Affected	< 0.5.14

🔗 References 3

http://vince.cert.org/vuls/id/326070

Permissions Required

https://github.com/sgl-project/sglang/blob/main/pyth...

Product

https://www.kb.cert.org/vuls/id/326070

Mitigation Third Party Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-15969	⛔ critical	9.8	1.0	SGLang contains an unauthenticated RCE in /load_lora_adapter_from_tensors via bypass of SafeUnpickler’s incomplete den...	2026-07-30
CVE-2026-15971	⛔ critical	9.8	0.4	SGLang contains an RCE vulnerability when the optional dumper subsystem is enabled, allowing for a sandbox escape when D...	2026-07-30
CVE-2026-15974	🔶 medium	6.5	0.2	SGLang contains an SSRF and local file read in the multimodal generation endpoint /v1/chat/completions due to unsanitize...	2026-07-30
CVE-2026-15976	⛔ critical	9.8	0.3	SGLang contains a RCE vulnerability when attempting to load model weights from a HuggingFace repository, specifically wi...	2026-07-30
CVE-2026-15977	⚠️ high	7.5	0.2	SGLang contains a credential leakage vulnerability in the /server_info endpoint, which will return API keys and SSL keyf...	2026-07-30
CVE-2026-15978	⚠️ high	7.5	0.3	SGLang contains a model weight exfiltration vulnerability when no API keys are configured, as SGLang will expose two end...	2026-07-30

These CVEs affect the same products